hat Ashlee Simpson sunglasses shorts tee shirt kid bronz

Talk about a random shirt for a baby boy!

Ashlee Simpson put on her fave pair of short shorts again and headed on over to Brentwood with Bronx for a friend's birthday party. So Gwen Stefani of her!

And later in the day, Pete Wentz arrived and played daddy duty:

hat Ashlee Simpson sunglasses shorts tee shirt kid bronz Pete Wentz

One big happy family!